feat: base structure for getting a MultiDivert.

InkBlot/Visitor/ListenerContentText.cs

@@ -1,18 +1,19 @@
 using System.Text.RegularExpressions;
 using Antlr4.Runtime.Tree;
+using InkBlot.ParseHierarchy;
 
 namespace InkBlot.Visitor;
 
 public partial class Listener
 {
-    private readonly ParseTreeProperty<string> _contentTextValue = new();
+    private readonly ParseTreeProperty<Content> _contentTextValue = new();
 
     private readonly Regex _escapeRegex = MyRegex();
 
     [GeneratedRegex(@"\\(.)")]
     private static partial Regex MyRegex();
 
-    private string GetContentText(InkBlotAntlrGrammarParser.ContentTextContext context)
+    private Content GetContentText(InkBlotAntlrGrammarParser.ContentTextContext context)
     {
         return _contentTextValue.Get(context);
     }
@@ -29,6 +30,6 @@ public partial class Listener
         var content = _escapeRegex.Replace(contentWithEscapes, match => match.Groups[1].Value);
 
         // save the result
-        _contentTextValue.Put(context, content);
+        _contentTextValue.Put(context, new Content(content));
     }
 }

InkBlot/Visitor/ListenerMultiDivert.cs

@@ -0,0 +1,19 @@
+using Antlr4.Runtime.Tree;
+using InkBlot.ParseHierarchy;
+
+namespace InkBlot.Visitor;
+
+public partial class Listener
+{
+    private readonly ParseTreeProperty<MultiDivert> _multiDivertValues = new();
+
+    private MultiDivert GetMultiDivert(InkBlotAntlrGrammarParser.MultiDivertContext context)
+    {
+        return _multiDivertValues.Get(context);
+    }
+
+    public override void ExitMultiDivert(InkBlotAntlrGrammarParser.MultiDivertContext context)
+    {
+        _multiDivertValues.Put(context, new MultiDivert());
+    }
+}

InkBlot/Visitor/ListenerStory.cs

@@ -12,8 +12,16 @@ public partial class Listener
     {
         var storyNodes = context
             .topLevelStatements()
-            .contentText()
-            .Select(child => new Content(GetContentText(child)));
+            .topLevelStatement()
+            .Select(topLevelStatement =>
+                topLevelStatement.children.Single() switch
+                {
+                    InkBlotAntlrGrammarParser.ContentTextContext contentTextContext =>
+                        (StoryNode)GetContentText(contentTextContext),
+                    InkBlotAntlrGrammarParser.MultiDivertContext multiDivertContext =>
+                        GetMultiDivert(multiDivertContext),
+                    _ => throw new InvalidOperationException()
+                });
         _story = new Story(storyNodes);
     }
 }